[PATCH 6/8] tests/vm: add --boot-console switch

[Robert Foley <robert.foley@linaro.org>]

Added ability to view console during boot via
--boot-console switch.  This helps debug issues that occur
during the boot sequence.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Reviewed-by: Peter Puhov <peter.puhov@linaro.org>
---
 tests/vm/basevm.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py
index 08a8989ac0..aa8b39beb7 100755
--- a/tests/vm/basevm.py
+++ b/tests/vm/basevm.py
@@ -489,6 +489,8 @@ def parse_args(vmcls):
     parser.add_option("--config", "-c", default=None,
                       help="Provide config yaml for configuration. "\
                            "See config_example.yaml for example.")
+    parser.add_option("--boot-console", action="store_true",
+                      help="Show console during boot. ")
     parser.disable_interspersed_args()
     return parser.parse_args()
 
@@ -523,6 +525,10 @@ def main(vmcls, config=None):
         if args.snapshot:
             img += ",snapshot=on"
         vm.boot(img)
+        wait_boot = getattr(vm, "wait_boot", None)
+        if args.boot_console and callable(wait_boot):
+            vm.console_init()
+            wait_boot()
         vm.wait_ssh()
     except Exception as e:
         if isinstance(e, SystemExit) and e.code == 0:
-- 
2.17.1